/*
 * Copyright 2008-2009 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.hasor.dbvisitor.faker.dsl.model;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

/**
 * 对象结构
 * @author 赵永春 (zyc@hasor.net)
 * @version : 2023-02-14
 */
public class ObjectModel implements DataModel {
    private final Map<String, DataModel> dataModel = new LinkedHashMap<>();

    @Override
    public Map<String, Object> recover(Map<String, Object> context) {
        Map<String, Object> unwrap = new LinkedHashMap<>(this.dataModel.size());
        this.dataModel.forEach((key, dataModel) -> {
            unwrap.put(key, dataModel.recover(context));
        });
        return unwrap;
    }

    public List<String> keySet() {
        return new ArrayList<>(this.dataModel.keySet());
    }

    public void put(String key, DataModel object) {
        this.dataModel.put(key, object == null ? ValueModel.NULL : object);
    }

    public DataModel get(String key) {
        return this.dataModel.get(key);
    }

    public int size() {
        return this.dataModel.size();
    }
}